本文整理汇总了Java中android.nfc.tech.Ndef.connect方法的典型用法代码示例。如果您正苦于以下问题:Java Ndef.connect方法的具体用法?Java Ndef.connect怎么用?Java Ndef.connect使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.nfc.tech.Ndef
的用法示例。
在下文中一共展示了Ndef.connect方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: writeTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
/**
* 写入标签
*
* @param message
* @param tag
* @return
*/
public static boolean writeTag(NdefMessage message, Tag tag) {
int size = message.toByteArray().length;
try {
Ndef ndef = Ndef.get(tag);
if (ndef != null) {
ndef.connect();
if (!ndef.isWritable()) {
return false;
}
if (ndef.getMaxSize() < size) {
return false;
}
ndef.writeNdefMessage(message);
return true;
}
} catch (Exception e) {
}
return false;
}
示例2: writeTAG
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
protected void writeTAG(Tag tag) throws IOException, FormatException {
Ndef ndefTag = Ndef.get(tag);
byte[] stringBytes = passphrase.getBytes();
NdefRecord data = NdefRecord.createMime(CONST.NFC_MIME_LOGIN, stringBytes);
NdefMessage message = new NdefMessage(data);
if (ndefTag != null) { //write to formatted tag
ndefTag.connect();
ndefTag.writeNdefMessage(message);
} else { //format the tag
NdefFormatable format = NdefFormatable.get(tag);
if(format != null) {
format.connect();
format.format(message);
}
}
}
示例3: writeToNfc
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private void writeToNfc(Ndef ndef, String message){
mTvMessage.setText(getString(R.string.message_write_progress));
if (ndef != null) {
try {
ndef.connect();
NdefRecord mimeRecord = NdefRecord.createMime("text/plain", message.getBytes(Charset.forName("US-ASCII")));
ndef.writeNdefMessage(new NdefMessage(mimeRecord));
ndef.close();
//Write Successful
mTvMessage.setText(getString(R.string.message_write_success));
} catch (IOException | FormatException e) {
e.printStackTrace();
mTvMessage.setText(getString(R.string.message_write_error));
} finally {
mProgress.setVisibility(View.GONE);
}
}
}
示例4: writeTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
public void writeTag(Tag tag, NdefMessage message)
{
if (tag != null) {
try {
Ndef ndefTag = Ndef.get(tag);
if (ndefTag == null) {
// Let's try to format the Tag in NDEF
NdefFormatable nForm = NdefFormatable.get(tag);
if (nForm != null) {
nForm.connect();
nForm.format(message);
nForm.close();
}
}
else {
ndefTag.connect();
ndefTag.writeNdefMessage(message);
ndefTag.close();
}
}
catch(Exception e) {
e.printStackTrace();
}
}
}
示例5: writeTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
/**
* Writes an NdefMessage to a NFC tag
*/
public static void writeTag(NdefMessage message, Tag tag) throws Exception {
int size = message.toByteArray().length;
Ndef ndef = Ndef.get(tag);
if (ndef != null) {
ndef.connect();
if (!ndef.isWritable()) {
throw new NfcTagNotWritableException();
}
if (ndef.getMaxSize() < size) {
throw new NfcTagInsufficientMemoryException(ndef.getMaxSize(), size);
}
ndef.writeNdefMessage(message);
} else {
NdefFormatable format = NdefFormatable.get(tag);
if (format != null) {
format.connect();
format.format(message);
} else {
throw new IllegalArgumentException("Ndef format is NULL");
}
}
}
示例6: writableTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
public static boolean writableTag(Tag tag) {
try {
Ndef ndef = Ndef.get(tag);
if (ndef != null) {
ndef.connect();
if (!ndef.isWritable()) {
ndef.close();
return false;
}
ndef.close();
return true;
}
} catch (Exception e) {
}
return false;
}
示例7: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected String doInBackground(Tag... params) {
Tag tag = params[0];
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
// NDEF is not supported by this Tag.
return null;
}
try {
NdefMessage msg = new NdefMessage(
new NdefRecord[] { NdefRecord.createMime(
"application/pubk.com.sawyer.easypgp", publicKeyBytes) });
ndef.connect();
ndef.writeNdefMessage(msg);
ndef.close();
return "Success";
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
示例8: writableTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private boolean writableTag(Tag tag) {
try {
Ndef ndef = Ndef.get(tag);
if (ndef != null) {
ndef.connect();
if (!ndef.isWritable()) {
ToastUtils.makeWarningToast(this, "Tag is Read-Only.");
ndef.close();
return false;
}
ndef.close();
return true;
}
} catch (Exception e) {
Logger.e(TAG, e.getLocalizedMessage());
ToastUtils.makeWarningToast(this, "Failed to Read Tag");
}
return false;
}
示例9: writeTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
/**
* 将数据写入标签中
* @param msg
* @param tag
* @return
*/
private boolean writeTag(NdefMessage msg,Tag tag){
try {
Ndef ndef = Ndef.get(tag);
ndef.connect();
ndef.writeNdefMessage(msg);
return true;
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
示例10: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected Boolean doInBackground(final TagWriteParam... params) {
final Ndef ndef = params[0].mTag;
final NdefMessage message = params[0].mMessage;
try {
ndef.connect();
ndef.writeNdefMessage(message);
Log.d(TAG, "Wrote tag");
return true;
} catch (IOException | FormatException e) {
mException = e;
}
return false;
}
示例11: writeMessage
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private void writeMessage(Tag tag, NdefMessage ndefMessage)
{
try
{
if (tag == null)
{
Toast.makeText(this, "An Error has Occurred, Please Try Again", Toast.LENGTH_LONG).show();
}
Ndef ndef = Ndef.get(tag);
if (ndef == null)
{
formatTag(tag, ndefMessage);
}
else
{
ndef.connect();
if (!ndef.isWritable())
{
Toast.makeText(this, "Tag is not Writable", Toast.LENGTH_LONG).show();
ndef.close();
return;
}
ndef.writeNdefMessage(ndefMessage);
ndef.close();
}
}
catch (Exception e)
{
Log.e("writeMessage", e.getMessage());
}
}
示例12: writeNFCTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
/**
* 往标签写数据的方法
*
* @param tag
*/
public void writeNFCTag(Tag tag) {
if (tag == null) {
return;
}
NdefMessage ndefMessage = new NdefMessage(new NdefRecord[]{NdefRecord
.createApplicationRecord(mPackageName)});
//转换成字节获得大小
int size = ndefMessage.toByteArray().length;
try {
//2.判断NFC标签的数据类型(通过Ndef.get方法)
Ndef ndef = Ndef.get(tag);
//判断是否为NDEF标签
if (ndef != null) {
ndef.connect();
//判断是否支持可写
if (!ndef.isWritable()) {
return;
}
//判断标签的容量是否够用
if (ndef.getMaxSize() < size) {
return;
}
//3.写入数据
ndef.writeNdefMessage(ndefMessage);
Toast.makeText(this, "写入成功", Toast.LENGTH_SHORT).show();
} else { //当我们买回来的NFC标签是没有格式化的,或者没有分区的执行此步
//Ndef格式类
NdefFormatable format = NdefFormatable.get(tag);
//判断是否获得了NdefFormatable对象,有一些标签是只读的或者不允许格式化的
if (format != null) {
//连接
format.connect();
//格式化并将信息写入标签
format.format(ndefMessage);
Toast.makeText(this, "写入成功", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(this, "写入失败", Toast.LENGTH_SHORT).show();
}
}
} catch (Exception e) {
}
}
示例13: writeTag
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
/**
* 写数据
*
* @param ndefMessage 创建好的NDEF文本数据
* @param tag 标签
* @return
*/
public static boolean writeTag(NdefMessage ndefMessage, Tag tag) {
try {
Ndef ndef = Ndef.get(tag);
ndef.connect();
ndef.writeNdefMessage(ndefMessage);
return true;
} catch (Exception e) {
}
return false;
}
示例14: writeNdefMessage
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
private void writeNdefMessage(Tag tag, NdefMessage ndefMessage) {
try {
if (tag == null) {
Toast.makeText(this, "Tag object cannot be null", Toast.LENGTH_SHORT).show();
return;
}
Ndef ndef = Ndef.get(tag);
if (ndef == null) {
// format tag with the ndef format and writes the message.
formatTag(tag, ndefMessage);
} else {
ndef.connect();
if (!ndef.isWritable()) {
Toast.makeText(this, "Tag is not writable!", Toast.LENGTH_SHORT).show();
ndef.close();
return;
}
ndef.writeNdefMessage(ndefMessage);
ndef.close();
Toast.makeText(this, "Tag writen!", Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
Log.e("writeNdefMessage", e.getMessage());
}
}
示例15: doInBackground
import android.nfc.tech.Ndef; //导入方法依赖的package包/类
@Override
protected Boolean doInBackground(Intent... params) {
Intent intent = params[0];
Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
NdefMessage message = this.tag.encode();
if (tag != null) {
try {
Ndef ndefTag = Ndef.get(tag);
if (ndefTag == null) {
NdefFormatable ndefForm = NdefFormatable.get(tag);
if (ndefForm != null) {
ndefForm.connect();
ndefForm.format(message);
ndefForm.close();
}
}
else {
ndefTag.connect();
ndefTag.writeNdefMessage(message);
ndefTag.close();
}
return true;
}
catch(Exception e) {
e.printStackTrace();
}
}
return false;
}